Unless you have special band-aids, cuts and scrapes on your knuckles are really annoying to deal with. If you need a knuckle bandage, you can modify a typical, rectangular band-aid with a few cuts from a pair of scissors.

Most people aren't afraid to use rubbing alcohol or hydrogen peroxide to disinfect a wound when they get a cut. According to WebMD however, using peroxide on a wound can actually harm the tissue around it and delay the healing process. This is just one first aid fallacy they're out to debunk.